Cell 2
Field Center: |
32mm
boring 745 mm from top of ss cover @
commutator: positive B direction: bottom to top |
B = a
*I + b *I^3 + g *I^5;
a= 0.93679; b = 1.7159E-6;
g = -4.72062E-10
(B
in Tesla; I in kA)
I
(kA) |
B(T) |
|
I (kA) |
B(T) |
0.5 |
0.46840 |
|
20.5 |
19.21727 |
1.0 |
0.93679 |
|
21.0 |
19.68655 |
1.5 |
1.40519 |
|
21.5 |
20.15587 |
2.0 |
1.87359 |
|
22.0 |
20.62522 |
2.5 |
2.34200 |
|
22.5 |
21.09460 |
3.0 |
2.81042 |
|
23.0 |
21.56401 |
3.5 |
3.27884 |
|
23.5 |
22.03345 |
4.0 |
3.74727 |
|
24.0 |
22.50292 |
4.5 |
4.21571 |
|
24.5 |
22.97242 |
5.0 |
4.68416 |
|
25.0 |
23.44195 |
5.5 |
5.15263 |
|
25.5 |
23.91151 |
6.0 |
5.62111 |
|
26.0 |
24.38109 |
6.5 |
6.08960 |
|
26.5 |
24.85070 |
7.0 |
6.55811 |
|
27.0 |
25.32033 |
7.5 |
7.02664 |
|
27.5 |
25.78999 |
8.0 |
7.49518 |
|
28.0 |
26.25966 |
8.5 |
7.96375 |
|
28.5 |
26.72936 |
9.0 |
8.43233 |
|
29.0 |
27.19908 |
9.5 |
8.90094 |
|
29.5 |
27.66881 |
10.0 |
9.36957 |
|
30.0 |
28.13856 |
10.5 |
9.83822 |
|
30.5 |
28.60832 |
11.0 |
10.30690 |
|
31.0 |
29.07809 |
11.5 |
10.77560 |
|
31.5 |
29.54788 |
12.0 |
11.24433 |
|
32.0 |
30.01767 |
12.5 |
11.71308 |
|
32.5 |
30.48746 |
13.0 |
12.18186 |
|
33.0 |
30.95726 |
13.5 |
12.65068 |
|
33.5 |
31.42706 |
14.0 |
13.11951 |
|
34.0 |
31.89685 |
14.5 |
13.58838 |
|
34.5 |
32.36664 |
15.0 |
14.05728 |
|
35.0 |
32.83643 |
15.5 |
14.52621 |
|
35.5 |
33.30620 |
16.0 |
14.99517 |
|
36.0 |
33.77595 |
16.5 |
15.46417 |
|
36.5 |
34.24569 |
17.0 |
15.93319 |
|
37.0 |
34.71541 |
17.5 |
16.40225 |
|
37.5 |
35.18510 |
18.0 |
16.87134 |
|
38.0 |
35.65477 |
18.5 |
17.34046 |
|
38.5 |
36.12441 |
19.0 |
17.80961 |
|
39.0 |
36.59400 |
19.5 |
18.27880 |
|
39.5 |
37.06356 |
20.0 |
18.74802 |
|
40.0 |
37.53308 |
Field Center: |
32mm
boring 745 mm from top of ss cover @
commutator: positive B direction: bottom to top |
Equation: I = a1*B + a3*B^3 + a5*B^5
a1 = 1.06748; a3 = -2.21993E-6; a5 = 6.95818E-10
(B in Tesla; I in kA)
B(T) |
I (kA) |
|
B(T) |
I (kA) |
0.5 |
0.5337 |
|
19.5 |
20.8014 |
1.0 |
1.0675 |
|
20.0 |
21.3341 |
1.5 |
1.6012 |
|
20.5 |
21.8667 |
2.0 |
2.1349 |
|
21.0 |
22.3994 |
2.5 |
2.6687 |
|
21.5 |
22.9320 |
3.0 |
3.2024 |
|
22.0 |
23.4645 |
3.5 |
3.7361 |
|
22.5 |
23.9970 |
4.0 |
4.2698 |
|
23.0 |
24.5295 |
4.5 |
4.8035 |
|
23.5 |
25.0620 |
5.0 |
5.3371 |
|
24.0 |
25.5944 |
5.5 |
5.8708 |
|
24.5 |
26.1268 |
6.0 |
6.4044 |
|
25.0 |
26.6591 |
6.5 |
6.9380 |
|
25.5 |
27.1914 |
7.0 |
7.4716 |
|
26.0 |
27.7237 |
7.5 |
8.0052 |
|
26.5 |
28.2560 |
8.0 |
8.5387 |
|
27.0 |
28.7882 |
8.5 |
9.0722 |
|
27.5 |
29.3205 |
9.0 |
9.6057 |
|
28.0 |
29.8527 |
9.5 |
10.1392 |
|
28.5 |
30.3849 |
10.0 |
10.6726 |
|
29.0 |
30.9171 |
10.5 |
11.2061 |
|
29.5 |
31.4492 |
11.0 |
11.7394 |
|
30.0 |
31.9814 |
11.5 |
12.2728 |
|
30.5 |
32.5135 |
12.0 |
12.8061 |
|
31.0 |
33.0457 |
12.5 |
13.3394 |
|
31.5 |
33.5778 |
13.0 |
13.8726 |
|
32.0 |
34.1100 |
13.5 |
14.4058 |
|
32.5 |
34.6421 |
14.0 |
14.9390 |
|
33.0 |
35.1743 |
14.5 |
15.4721 |
|
33.5 |
35.7065 |
15.0 |
16.0052 |
|
34.0 |
36.2387 |
15.5 |
16.5383 |
|
34.5 |
36.7709 |
16.0 |
17.0713 |
|
35.0 |
37.3032 |
16.5 |
17.6043 |
|
35.5 |
37.8355 |
17.0 |
18.1372 |
|
36.0 |
38.3678 |
17.5 |
18.6701 |
|
36.5 |
38.9001 |
18.0 |
19.2030 |
|
37.0 |
39.4326 |
18.5 |
19.7358 |
|
37.5 |
39.9650 |
19.0 |
20.2686 |
|
|
|
Profile measurement at I
magnet= 9kA
Field center: 745 mm; Field maximum: 8.42442 T
Equation y=a0+a2*(x-c)^2+a4*(x-c)^4+a6*(x-c)^6+a8*(x-c)^8
c=745.00003; a0=8.42442
a2=-2.85916E-4;a4=-7.07634E-8;a6=1.2511E-11;a8=-5.85579E-16
Position
(mm) |
B (T) at Imag=25kA |
642.24 |
4.9918 |
647.10 |
5.2195 |
652.41 |
5.5008 |
657.30 |
5.7032 |
662.16 |
5.9114 |
667.02 |
6.0805 |
672.04 |
6.2850 |
677.08 |
6.5302 |
681.98 |
6.7900 |
686.59 |
7.0285 |
691.53 |
7.3197 |
696.85 |
7.5575 |
702.04 |
7.7483 |
706.93 |
7.8833 |
711.96 |
8.0107 |
717.04 |
8.1388 |
722.00 |
8.2415 |
726.61 |
8.3139 |
731.52 |
8.3781 |
736.75 |
8.4136 |
742.02 |
8.4296 |
746.95 |
8.4307 |
751.93 |
8.4206 |
757.00 |
8.3912 |
761.96 |
8.3409 |
766.63 |
8.2762 |
771.48 |
8.1730 |
776.79 |
8.0498 |
782.04 |
7.9099 |
786.95 |
7.7826 |
791.93 |
7.6115 |
797.06 |
7.3727 |
801.98 |
7.1257 |
806.53 |
6.8843 |
811.50 |
6.6025 |
816.79 |
6.3502 |
822.04 |
6.1150 |
826.93 |
5.9388 |
831.89 |
5.7412 |
837.02 |
5.5057 |
841.96 |
5.2737 |
Old data
on 5 March 2015
Measure from top to bottom
(Negative value means position above field center)
Position(mm) |
Bmeas@9kA |
Bz/Bmax |
99.84 |
5.1566 |
0.0733 |
97.75 |
5.2452 |
0.0740 |
95.74 |
5.3249 |
0.0747 |
93.69 |
5.4009 |
0.0754 |
91.66 |
5.4825 |
0.0761 |
89.68 |
5.5623 |
0.0771 |
87.73 |
5.6416 |
0.0780 |
85.80 |
5.7140 |
0.0789 |
83.78 |
5.8036 |
0.0798 |
81.67 |
5.9058 |
0.0805 |
79.53 |
6.0094 |
0.0813 |
77.38 |
6.1061 |
0.0821 |
75.31 |
6.2007 |
0.0830 |
73.22 |
6.3040 |
0.0837 |
71.25 |
6.4060 |
0.0844 |
69.39 |
6.5053 |
0.0851 |
67.55 |
6.6057 |
0.0859 |
65.72 |
6.6977 |
0.0867 |
63.82 |
6.7909 |
0.0875 |
61.85 |
6.8883 |
0.0883 |
59.88 |
6.9845 |
0.0892 |
57.83 |
7.0871 |
0.0902 |
55.76 |
7.1799 |
0.0911 |
53.69 |
7.2762 |
0.0920 |
51.66 |
7.3693 |
0.0928 |
49.70 |
7.4519 |
0.0938 |
47.71 |
7.5278 |
0.0948 |
45.80 |
7.5966 |
0.0960 |
43.77 |
7.6755 |
0.0972 |
41.67 |
7.7593 |
0.0982 |
39.55 |
7.8355 |
0.0993 |
37.38 |
7.9035 |
0.1004 |
35.29 |
7.9664 |
0.1014 |
33.20 |
8.0287 |
0.1025 |
31.25 |
8.0845 |
0.1034 |
29.41 |
8.1332 |
0.1044 |
27.57 |
8.1754 |
0.1054 |
25.74 |
8.2120 |
0.1064 |
23.82 |
8.2448 |
0.1074 |
21.87 |
8.2764 |
0.1085 |
19.88 |
8.3056 |
0.1097 |
17.79 |
8.3329 |
0.1109 |
15.76 |
8.3533 |
0.1121 |
13.69 |
8.3711 |
0.1132 |
11.69 |
8.3871 |
0.1144 |
9.76 |
8.3994 |
0.1156 |
7.77 |
8.4100 |
0.1169 |
5.82 |
8.4175 |
0.1183 |
3.78 |
8.4250 |
0.1199 |
1.71 |
8.4295 |
0.1212 |
-0.43 |
8.4310 |
0.1226 |
-2.58 |
8.4298 |
0.1240 |
-4.69 |
8.4255 |
0.1254 |
-6.76 |
8.4173 |
0.1268 |
-8.72 |
8.4058 |
0.1279 |
-10.57 |
8.3925 |
0.1291 |
-12.43 |
8.3752 |
0.1304 |
-14.22 |
8.3585 |
0.1317 |
-16.18 |
8.3378 |
0.1331 |
-18.09 |
8.3141 |
0.1344 |
-20.10 |
8.2857 |
0.1360 |
-22.15 |
8.2531 |
0.1376 |
-24.18 |
8.2211 |
0.1391 |
-26.22 |
8.1872 |
0.1406 |
-28.27 |
8.1496 |
0.1420 |
-30.22 |
8.1099 |
0.1436 |
-32.25 |
8.0662 |
0.1453 |
-34.18 |
8.0226 |
0.1471 |
-36.20 |
7.9680 |
0.1491 |
-38.25 |
7.9029 |
0.1508 |
-40.40 |
7.8319 |
0.1526 |
-42.52 |
7.7599 |
0.1544 |
-44.69 |
7.6809 |
0.1563 |
-46.76 |
7.5872 |
0.1581 |
-48.75 |
7.4896 |
0.1595 |
-50.57 |
7.3963 |
0.1611 |
-52.45 |
7.3020 |
0.1628 |
-54.24 |
7.2159 |
0.1646 |
-56.16 |
7.1250 |
0.1665 |
-58.09 |
7.0289 |
0.1684 |
-60.10 |
6.9268 |
0.1705 |
-62.13 |
6.8230 |
0.1724 |
-64.11 |
6.7354 |
0.1744 |
-66.18 |
6.6502 |
0.1764 |
-68.21 |
6.5588 |
0.1784 |
-70.20 |
6.4712 |
0.1804 |
-72.15 |
6.3883 |
0.1826 |
-74.03 |
6.3155 |
0.1849 |
-75.98 |
6.2306 |
0.1874 |
-77.95 |
6.1316 |
0.1895 |
-79.87 |
6.0367 |
0.1918 |
-81.86 |
5.9435 |
0.1908 |
-83.83 |
5.8612 |
0.1931 |
-85.92 |
5.7661 |
0.1954 |
-87.97 |
5.6598 |
0.1976 |
-90.14 |
5.5468 |
0.2000 |
-92.15 |
5.4409 |
0.2028 |
-94.01 |
5.3541 |
0.2058 |
-95.01 |
5.3679 |
0.2089 |
-97.03 |
5.2747 |
0.2114 |
-99.15 |
5.1850 |
0.2138 |
-101.26 |
5.0975 |
0.2162 |
-103.41 |
5.0166 |
0.2188 |
-105.50 |
4.9283 |
0.2216 |
-107.47 |
4.8431 |
0.2240 |
-109.37 |
4.7617 |
0.2261 |
-111.17 |
4.6817 |
0.2284 |
-113.02 |
4.6097 |
0.2309 |
-114.92 |
4.5382 |
0.2336 |
-116.89 |
4.4639 |
0.2361 |
-118.90 |
4.3934 |
0.2386 |
-120.97 |
4.3188 |
0.2417 |
-123.02 |
4.2541 |
0.2447 |
-125.09 |
4.1879 |
0.2476 |
-127.16 |
4.1236 |
0.2504 |
-129.11 |
4.0668 |
0.2532 |
-131.05 |
4.0162 |
0.2562 |
-132.94 |
3.9676 |
0.2594 |
-135.03 |
3.9119 |
0.2630 |
-137.04 |
3.8530 |
0.2667 |
-139.19 |
3.7947 |
0.2700 |
-141.32 |
3.7408 |
0.2732 |
-143.45 |
3.6887 |
0.2767 |
-145.56 |
3.6319 |
0.2800 |
-147.51 |
3.5794 |
0.2833 |
-149.39 |
3.5306 |
0.2861 |
-151.19 |
3.4841 |
0.2890 |
-153.02 |
3.4439 |
0.2922 |
-154.92 |
3.4028 |
0.2955 |
-156.95 |
3.3597 |
0.2988 |
-158.92 |
3.3168 |
0.3022 |
-160.99 |
3.2713 |
0.3061 |
-163.02 |
3.2345 |
0.3101 |
-165.07 |
3.1982 |
0.3142 |
-167.10 |
3.1613 |
0.3180 |
-169.06 |
3.1261 |
0.3218 |
-171.05 |
3.0934 |
0.3260 |
-172.96 |
3.0625 |
0.3304 |
-175.03 |
3.0243 |
0.3352 |
-177.04 |
2.9843 |
0.3403 |
-179.17 |
2.9443 |
0.3448 |
-181.32 |
2.9068 |
0.3492 |
-183.43 |
2.8688 |
0.3540 |
-185.54 |
2.8264 |
0.3587 |
-187.49 |
2.7858 |
0.3632 |
-189.35 |
2.7485 |
0.3669 |
-191.15 |
2.7131 |
0.3708 |
-193.04 |
2.6810 |
0.3750 |
-194.94 |
2.6487 |
0.3793 |
-196.89 |
2.6148 |
0.3836 |
-198.90 |
2.5809 |
0.3880 |
-200.95 |
2.5475 |
0.3934 |
-202.94 |
2.5189 |
0.3985 |
-205.03 |
2.4914 |
0.4036 |
-207.06 |
2.4637 |
0.4085 |
-209.04 |
2.4368 |
0.4132 |
-211.03 |
2.4118 |
0.4188 |
-212.94 |
2.3889 |
0.4246 |
-214.99 |
2.3610 |
0.4308 |
-216.97 |
2.3325 |
0.4375 |
-219.15 |
2.3034 |
0.4437 |
-221.22 |
2.2762 |
0.4501 |
-223.39 |
2.2485 |
0.4570 |
-225.48 |
2.2174 |
0.4640 |
-227.49 |
2.1874 |
0.4706 |
-229.37 |
2.1600 |
0.4764 |
-231.15 |
2.1347 |
0.4824 |
-233.02 |
2.1108 |
0.4891 |
-234.92 |
2.0876 |
0.4967 |
-236.85 |
2.0627 |
0.5046 |
-238.84 |
2.0378 |
0.5123 |
-240.87 |
2.0118 |
0.5211 |
-242.88 |
1.9905 |
0.5295 |
-244.99 |
1.9693 |
0.5383 |
-247.01 |
1.9469 |
0.5468 |
-248.98 |
1.9258 |
0.5553 |
-250.95 |
1.9063 |
0.5648 |
-252.90 |
1.8886 |
0.5744 |
-254.80 |
1.8684 |
0.5845 |
-256.73 |
1.8451 |
0.5950 |
-258.67 |
1.8232 |
0.6046 |
-260.58 |
1.8022 |
0.6150 |
-262.61 |
1.7827 |
0.6256 |
-264.70 |
1.7609 |
0.6367 |
-266.79 |
1.7355 |
0.6351 |
-268.90 |
1.7100 |
0.6453 |
-270.87 |
1.6859 |
0.6579 |
-272.73 |
1.6658 |
0.6713 |
-274.72 |
1.6473 |
0.6839 |
-276.61 |
1.6283 |
0.6952 |
-278.67 |
1.6085 |
0.7050 |
-278.93 |
1.6173 |
0.7160 |
-281.06 |
1.5978 |
0.7273 |
-283.13 |
1.5798 |
0.7390 |
-285.30 |
1.5589 |
0.7491 |
-287.27 |
1.5396 |
0.7577 |
-289.17 |
1.5212 |
0.7675 |
-290.97 |
1.5037 |
0.7779 |
-292.82 |
1.4869 |
0.7888 |
-294.74 |
1.4703 |
0.7989 |
-296.71 |
1.4534 |
0.8093 |
-298.74 |
1.4371 |
0.8216 |
-300.83 |
1.4197 |
0.8337 |
-302.84 |
1.4038 |
0.8451 |
-304.97 |
1.3876 |
0.8559 |
-306.98 |
1.3723 |
0.8661 |
-308.93 |
1.3581 |
0.8773 |
-310.87 |
1.3449 |
0.8883 |
-312.82 |
1.3326 |
0.8999 |
-314.85 |
1.3178 |
0.9110 |
-316.86 |
1.3021 |
0.9204 |
-318.99 |
1.2864 |
0.9289 |
-321.08 |
1.2713 |
0.9374 |
-323.19 |
1.2569 |
0.9451 |
-325.36 |
1.2404 |
0.9516 |
-327.33 |
1.2252 |
0.9567 |
-329.19 |
1.2109 |
0.9619 |
-330.97 |
1.1974 |
0.9666 |
-332.82 |
1.1852 |
0.9711 |
-334.74 |
1.1729 |
0.9751 |
-336.73 |
1.1598 |
0.9789 |
-338.78 |
1.1464 |
0.9828 |
-340.83 |
1.1331 |
0.9861 |
-342.86 |
1.1219 |
0.9889 |
-344.93 |
1.1106 |
0.9914 |
-346.96 |
1.0992 |
0.9934 |
-348.95 |
1.0886 |
0.9954 |
-350.85 |
1.0787 |
0.9970 |
-352.78 |
1.0690 |
0.9984 |
-354.85 |
1.0574 |
0.9993 |
-356.86 |
1.0452 |
0.9999 |
-358.97 |
1.0333 |
1.0000 |
-361.04 |
1.0221 |
0.9998 |
-363.19 |
1.0107 |
0.9993 |
-365.30 |
0.9978 |
0.9984 |
-367.24 |
0.9859 |
0.9975 |
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